Fabletics jumpsuits are EVERYTHING but this one was a little too big.. My loss is your gain. Size M petite. Runs big DETAILS Product Description Soft, breathable, and effortless. This onesie features a chic off-the-shoulder neckline and relaxed silhouette. The perfect mix of cozy comfort and elevated style. Adjustable waistband. Fabric & Details Cozy Fleece Made with 67% recycled materials, this soft, cozy fabric has a heavier structure and warm brushed interior perfect for cooler temperatures. 44% Polyester, 44% Recycled Polyester, 12% Spandex.